If you put a million sheets of 30-cm long paper end-to-end, how many kilometers long would the paper be from beginning to end?

Do u just plot the numbers on the graph like (1,

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Can any one me with the answers to these questions asap?